/**
 * Paperclip agents — read-only admin view (Task #29).
 *
 * Backend: `GET /api/admin/paperclip-agents` returns master+mirror pairs
 * (CMP / CMPA) for all 7 agent roles, with drift detection between the pair.
 */

import { useQuery } from "@tanstack/react-query";
import { apiRequest } from "./client";

export type PaperclipAgent = {
  id: string;
  company_id: string;
  company_name: string;
  name: string;
  role: string | null;
  status: string | null;
  pause_reason: string | null;
  adapter_type: string | null;
  model: string | null;
  effort: string | null;
  timeoutSec: number | null;
  maxTurnsPerRun: number | null;
  desiredSkills: string[];
  instructionsBundleMode: string | null;
  instructionsRootPath: string | null;
  instructionsEntryFile: string | null;
  instructionsFilePath: string | null;
  graceSec: number | null;
  cooldownSec: number | null;
  wakeOnDemand: boolean | null;
  maxConcurrentRuns: number | null;
  intervalSec: number | null;
  enabled: boolean | null;
  budget_monthly_cents: number | null;
  spent_monthly_cents: number | null;
  last_heartbeat_at: string | null;
  updated_at: string | null;
};

export type DriftEntry = {
  field: string;
  master: unknown;
  mirror: unknown;
};

export type AgentPair = {
  name: string;
  role: string | null;
  master: PaperclipAgent | null;
  mirror: PaperclipAgent | null;
  drift: DriftEntry[];
};

export type PaperclipAgentsResponse = {
  pairs: AgentPair[];
  companies: Array<{
    id: string;
    label: string;
    slot: "master" | "mirror";
  }>;
};

export function usePaperclipAgents() {
  return useQuery({
    queryKey: ["settings", "paperclip-agents"] as const,
    queryFn: ({ signal }) =>
      apiRequest<PaperclipAgentsResponse>("/api/admin/paperclip-agents", { signal }),
    staleTime: 30_000,
  });
}